差異處

這裏顯示兩個版本的差異處。

--- linux:shell [2007/05/05 22:52]
wenpei
+++ linux:shell [2011/08/09 09:43] (目前版本)
wenpei
@@ 行 62: / 行 62: @@
     $ bind ‘”\x1b\x5b\x41″:history-search-backward’
 </code>
+[[http://www.thegeekstuff.com/2011/08/bash-history-expansion/|15 Linux Bash History Expansion Examples You Should Know]]
 ====== Shell Script ======
@@ 行 273: / 行 275: @@
   * 傳出函式：使用全域變數來儲存跨函式間的資料
+===== 上一個指令的執行結果 =====
+http://blog.miniasp.com/post/2009/02/Writing-Bash-script-should-care-about-error-handling-issues.aspx
+「$?」代表上個指令的執行結果，若成功執行則回傳「0」。
+因此可寫成：
+<code>
+SUCCESS=0
+mv some.log $BAKDIR/some-$TODAY.log
+if [ "$?" -ne $SUCCESS ]
+then
+        echo "Can NOT move some.log to $BAKDIR/some-$TODAY.log!!"
+        exit 1
+fi
+</code>
+====== date 指令 ======
+取得昨天的日期：
+  date -d 'yesterday' +%Y-%m-%d.log
+取得幾天前的日期：
+  date -d '6 days ago' +%Y-%m-%d
+下週一、上週三的日期：
+  date -d 'next Mon'
+  date -d 'last Wed'
 ====== 定期確認 apache 的 error log ======
@@ 行 289: / 行 318: @@
 並在 crontab 中加入(需 root 權限)
   21    *   *   5    /root/apache_file_no_found_error.sh
+====== zsh ======
+http://friedcpu.wordpress.com/2007/07/24/zsh-the-last-shell-youll-ever-need/
+http://grml.org/zsh/zsh-lovers.html
+http://www.acm.uiuc.edu/workshops/zsh/toc.html
+http://rayninfo.co.uk/tips/zshtips.html
+===== zshrc by vgod =====
+<code>
+export PATH="$PATH:~/bin:/usr/local/bin:/usr/local/texlive/2007/bin/i386-darwin:/opt/flex_sdk_3/bin:/usr/texbin:/opt/local/bin"
+export EDITOR=vim
+export LANG=en_US.UTF-8
+UNAME=`uname`
+if [[ $UNAME == "Darwin" ]]
+then
+   export LSCOLORS="gxfxcxdxbxegedabagacad"
+   alias ls='ls -Gv'
+elif [[ $UNAME == "Linux" ]]
+then
+   alias ls='ls --color=auto'
+fi
+# path alias, e.g. cd ~XXX
+#hash -d WWW="/home/lighttpd/html"
+# HISTORY
+# number of lines kept in history
+export HISTSIZE=10000
+# # number of lines saved in the history after logout
+export SAVEHIST=10000
+# # location of history
+export HISTFILE=~/.zhistory
+# # append command to history file once executed
+setopt INC_APPEND_HISTORY
+# Disable core dumps
+limit coredumpsize 0
+# vi key binding
+bindkey -v
+bindkey '^R' history-incremental-search-backward
+# mapping del
+bindkey "\e[3~" delete-char
+setopt AUTO_PUSHD
+WORDCHARS='*?_-[]~=&;!#$%^(){}<>'
+# auto-completion
+setopt COMPLETE_ALIASES
+setopt AUTO_LIST
+setopt AUTO_MENU
+#setopt MENU_COMPLETE
+setopt MULTIBYTE
+autoload -U compinit
+compinit
+# Completion caching
+zstyle ':completion::complete:*' use-cache on
+zstyle ':completion::complete:*' cache-path .zcache
+#zstyle ':completion:*:cd:*' ignore-parents parent pwd
+#Completion Options
+zstyle ':completion:*:match:*' original only
+zstyle ':completion::prefix-1:*' completer _complete
+zstyle ':completion:predict:*' completer _complete
+zstyle ':completion:incremental:*' completer _complete _correct
+zstyle ':completion:*' completer _complete _prefix _correct _prefix _match _approximate
+# Path Expansion
+zstyle ':completion:*' expand 'yes'
+zstyle ':completion:*' squeeze-shlashes 'yes'
+zstyle ':completion::complete:*' '\\'
+#zstyle ':completion:*:*:*:default' menu yes select #interactive
+zstyle ':completion:*:*:default' force-list always
+# require /etc/DIR_COLORS to display colors in the completion list
+[ -f /etc/DIR_COLORS ] && eval $(dircolors -b /etc/DIR_COLORS)
+export ZLSCOLORS="${LS_COLORS}"
+zmodload zsh/complist
+zstyle ':completion:*' list-colors ${(s.:.)LS_COLORS}
+zstyle ':completion:*:*:kill:*:processes' list-colors '=(#b) #([0-9]#)*=0=01;31'
+zstyle ':completion:*' completer _complete _match _approximate
+zstyle ':completion:*:match:*' original only
+zstyle ':completion:*:approximate:*' max-errors 1 numeric
+bindkey -M menuselect '^M' .accept-line
+compdef pkill=kill
+compdef pkill=killall
+zstyle ':completion:*:*:kill:*' menu yes select interactive
+zstyle ':completion:*:kill:*'   force-list always
+zstyle ':completion:*:processes' command 'ps -au$USER'
+# Group matches and Describe
+zstyle ':completion:*:matches' group 'yes'
+zstyle ':completion:*:options' description 'yes'
+zstyle ':completion:*:options' auto-description '%d'
+zstyle ':completion:*:descriptions' format $'\e[01;33m -- %d --\e[0m'
+zstyle ':completion:*:messages' format $'\e[01;35m -- %d --\e[0m'
+zstyle ':completion:*:warnings' format $'\e[01;31m -- No Matches Found --\e[0m'
+alias ll='ls -l'
+alias grep='grep --color=auto'
+function precmd {
+local TERMWIDTH
+(( TERMWIDTH = ${COLUMNS} - 1 ))
+###
+# Truncate the path if it's too long.
+PR_FILLBAR=""
+PR_PWDLEN=""
+local promptsize=${#${(%):---(%n@%m)----}}
+local pwdsize=${#${(%):-%~}}
+if [[ "$promptsize + $pwdsize" -gt $TERMWIDTH ]]; then
+((PR_PWDLEN=$TERMWIDTH - $promptsize))
+else
+PR_FILLBAR="\${(l.(($TERMWIDTH - ($promptsize + $pwdsize)))..${PR_HBAR}.)}"
+fi
+###
+# Get APM info.
+#if which ibam > /dev/null; then
+#PR_APM_RESULT=`ibam --percentbattery`
+#elif which apm > /dev/null; then
+#PR_APM_RESULT=`apm`
+#fi
+}
+setopt extended_glob
+preexec () {
+if [[ "$TERM" == "screen" ]]; then
+local CMD=${1[(wr)^(*=*|sudo|-*)]}
+echo -n "\ek$CMD\e\\"
+fi
+}
+setprompt () {
+###
+# Need this so the prompt will work.
+setopt prompt_subst
+###
+# See if we can use colors.
+autoload colors zsh/terminfo
+if [[ "$terminfo[colors]" -ge 8 ]]; then
+colors
+fi
+for color in RED GREEN YELLOW BLUE MAGENTA CYAN WHITE; do
+eval PR_$color='%{$terminfo[bold]$fg[${(L)color}]%}'
+eval PR_LIGHT_$color='%{$fg[${(L)color}]%}'
+(( count = $count + 1 ))
+done
+PR_NO_COLOUR="%{$terminfo[sgr0]%}"
+###
+# See if we can use extended characters to look nicer.
+typeset -A altchar
+set -A altchar ${(s..)terminfo[acsc]}
+PR_SET_CHARSET="%{$terminfo[enacs]%}"
+PR_SHIFT_IN="%{$terminfo[smacs]%}"
+PR_SHIFT_OUT="%{$terminfo[rmacs]%}"
+PR_HBAR=${altchar[q]:--}
+#PR_HBAR=" "
+PR_ULCORNER=${altchar[l]:--}
+PR_LLCORNER=${altchar[m]:--}
+PR_LRCORNER=${altchar[j]:--}
+PR_URCORNER=${altchar[k]:--}
+###
+# Decide if we need to set titlebar text.
+case $TERM in
+xterm*)
+PR_TITLEBAR=$'%{\e]0;%(!.-=*[ROOT]*=- | .)%n@%m:%~ | ${COLUMNS}x${LINES} | %y\a%}'
+;;
+screen)
+PR_TITLEBAR=$'%{\e_screen \005 (\005t) | %(!.-=[ROOT]=- | .)%n@%m:%~ | ${COLUMNS}x${LINES} | %y\e\\%}'
+;;
+*)
+PR_TITLEBAR=''
+;;
+esac
+###
+# Decide whether to set a screen title
+if [[ "$TERM" == "screen" ]]; then
+PR_STITLE=$'%{\ekzsh\e\\%}'
+else
+PR_STITLE=''
+fi
+###
+# APM detection
+#if which ibam > /dev/null; then
+#PR_APM='$PR_RED${${PR_APM_RESULT[(f)1]}[(w)-2]}%%(${${PR_APM_RESULT[(f)3]}[(w)-1]})$PR_LIGHT_BLUE:'
+#elif which apm > /dev/null; then
+#PR_APM='$PR_RED${PR_APM_RESULT[(w)5,(w)6]/\% /%%}$PR_LIGHT_BLUE:'
+#else
+PR_APM=''
+#fi
+###
+# Finally, the prompt.
+PROMPT='$PR_SET_CHARSET$PR_STITLE${(e)PR_TITLEBAR}\
+$PR_CYAN$PR_SHIFT_IN$PR_ULCORNER$PR_BLUE$PR_HBAR$PR_SHIFT_OUT [\
+$PR_GREEN%(!.%SROOT%s.%n)$PR_GREEN@%m\
+$PR_BLUE]$PR_SHIFT_IN $PR_SHIFT_OUT$PR_BLUE\
+$PR_MAGENTA%$PR_PWDLEN<..<%~%<<\
+$PR_BLUE$PR_SHIFT_IN$PR_HBAR${(e)PR_FILLBAR}$PR_CYAN$PR_URCORNER$PR_SHIFT_OUT\
+$PR_CYAN$PR_SHIFT_IN$PR_LLCORNER$PR_BLUE$PR_HBAR$PR_SHIFT_OUT \
+%(?..$PR_LIGHT_RED%?$PR_BLUE:)\
+$PR_LIGHT_BLUE%(!.$PR_RED#.$PR_WHITE\$)$PR_SHIFT_IN$PR_SHIFT_OUT\
+$PR_CYAN$PR_SHIFT_IN$PR_SHIFT_OUT\
+$PR_NO_COLOUR '
+RPROMPT=' $PR_CYAN$PR_SHIFT_IN$PR_HBAR$PR_BLUE$PR_HBAR$PR_SHIFT_OUT\
+($PR_YELLOW%D{%H:%M}$PR_BLUE)$PR_SHIFT_IN$PR_HBAR$PR_CYAN$PR_LRCORNER$PR_SHIFT_OUT$PR_NO_COLOUR'
+PS2='$PR_CYAN$PR_SHIFT_IN$PR_HBAR$PR_SHIFT_OUT\
+$PR_BLUE$PR_SHIFT_IN$PR_HBAR$PR_SHIFT_OUT(\
+$PR_LIGHT_GREEN%_$PR_BLUE)$PR_SHIFT_IN$PR_HBAR$PR_SHIFT_OUT\
+$PR_CYAN$PR_SHIFT_IN$PR_HBAR$PR_SHIFT_OUT$PR_NO_COLOUR '
+}
+setprompt
+</code>

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